In Acts 2:6, is LALOUNTWN AUTWN another absolute genitive? It fits the form,
but I'm not sure if it fits the meaning.

Acts 2:6 (GNT) GENOMENHS DE THS FWNHS TAUTHS SUNHLQEN TO PLHQOS KAI
SUNECUQH, OTI HKOUON EIS EKASTOS TH IDIA DIALEKTW LALOUNTWN AUTWN.
Acts 2:6 (NASU) And when this sound occurred, the crowd came together, and
were bewildered because each one of them was hearing them speak in his own
language.